149701840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23687}}^1$

素因数の和:23779

約数の個数: 40

約数和(自身を含む): 352477440

約数和(自身を除く): 202775600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 23687, 47374, 94748, 118435, 189496, 236870, 378992, 473740, 947480, 1871273, 1894960, 3742546, 7485092, 9356365, 14970184, 18712730, 29940368, 37425460, 74850920, 149701840]

約数ペア:

[(1, 149701840), (2, 74850920), (4, 37425460), (5, 29940368), (8, 18712730), (10, 14970184), (16, 9356365), (20, 7485092), (40, 3742546), (79, 1894960), (80, 1871273), (158, 947480), (316, 473740), (395, 378992), (632, 236870), (790, 189496), (1264, 118435), (1580, 94748), (3160, 47374), (6320, 23687)]